Silent Mod for EVERY 3d Printer !MUST HAVE! (nema damper)

by Johnnyboyye, published

Silent Mod for EVERY 3d Printer !MUST HAVE! (nema damper) by Johnnyboyye Nov 19, 2017


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This silent mod is for EVERY 3d printer with Nema17 motors.
The silicone parts reduce the noise in a so drastic matter, the loudes part on the printer is the cooling fan for the hotend now.

It is important that the Nema17 motors and the bolt to hold them have no direct contact to the frame. For this purpose the silicone washers are very important.

The part order is:
bolt - metal washer - silicone washer - frame - silicone plate for Nema17- Nema17 motor

For additoinal vibration reduction i have added a mold for the rubber feet.

If this mod changed you life feel free to donate. :D


Added the positives for people who want to print the dampers in flexible filament.

Print Settings


anycubic kossel









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Thank you, I've used "proto-putty" (Window - silicone plus corn starch) and it came out great! All these aggressive "screaming" is gone now.
I made a foot for my Tevo Tornado to hold your "rubber foot", it would work with any Printer with a M3 thread

Thank you for the kind words!

Why dont you publish your feet on thingiverse?

This might be even better with polyurethane sealant/caulk. Costs about twice as much as the better silicone caulks, but is much more of a rubberized material. Used it to strengthen the rubber spider on a Cadillac driveshaft, and even after drying in the folds it was still flexible like rubber, just more material and less likely to break down. Does smell bad curing, and takes more like 24 or 48 hours to cure, but silicone hardens more over time and might need replacing in a year or two.
Actually I still have part of the tube and I'm just setting up my CR-10 so easy to do right now, I'll make some up in the next few days and report back here..

FYI....I bought window, door & siding 100% clear silicone. I now have two, completely useless molds... However, I did end up printing the positives (just the motor dampers) with flex filament which I will say, was a huge learning curve for me (and a giant pain in the a$$) as it was my first experience printing with flex...BUT, these things are the best thing since sliced bread!!! I have found myself glancing over at the printer (10' away) more frequently than ever to make sure it's still printing because it's so dang QUIET! Thank you Johnnyboyye!

Final print settings with Cura: Speed-20, Layer-.4, Infill-100%, No Retraction, Print Temp-230c, Bed Temp-60c, Flow-108%

I did the same with the window, door & sliding 100% clear silicone. And it came out great!! What I did is made proto-putty, which here is the video how I did it........ https://www.youtube.com/watch?v=7fwytA5r2Mw

that putty looks awesome! I'll upload my try when I finish

I think you can reduce even more noise if you use the small washers and the feet. Thanks for the kind Words. *thumbs up'

How did you remove the silicone?

The silicone is self releasing after its cured.

What kind of silicone are you using? I've tried just getting some from Amazon. I squeeze some into the mold, but it just got stuck in there and there's no way for me to get it out in one piece.

So, can you please tell me what kind of silicone you're using and how you get it to pop out in the end? :)


After a curetime (depending on the silicone can be 30 minutes to a couple hours) the silicon does not stick to anything except silicone itselft. You can pull it out without any problems out of the mold. If that is not the case with your silicone you might have the wrong silicone or not use it in the proper way. You can post a link to the silicone you bought, maybe we can help you further then.

I think you'd get a lot more hits if you relabelled it nema damper because that is what I searched for and this didn't come up. However I saw this browsing other stuff

Thanks for the tip!

basically a nema damper

Thanks, that's a very clever idea ;-) btw what did you use as filling material?